CVE-2017-9996: n/a vulnerability

CVE-2017-9996: The cdxl_decode_frame function in libavcodec/cdxl.c in FFmpeg 2.8.x before 2.8.12, 3.0.x before 3.0.8, 3.1....

The cdxl_decode_frame function in libavcodec/cdxl.c in FFmpeg 2.8.x before 2.8.12, 3.0.x before 3.0.8, 3.1.x before 3.1.8, 3.2.x before 3.2.5, and 3.3.x before 3.3.1 does not exclude the CHUNKY format, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted file.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 5, 2024, 17:25 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2017-9996 is an FFmpeg media parsing flaw where a crafted CDXL file can crash an application using affected FFmpeg versions. The documented impact is denial of service from a heap-based buffer overflow; sources also mention possible unspecified other impact but do not substantiate it. Exposure is most likely where servers, desktop apps, media pipelines, or embedded products process untrusted video or animation files through affected FFmpeg/libavcodec versions. The source bundle does not provide CPEs or downstream product lists. Treat as a medium-priority remediation unless FFmpeg processes untrusted files at scale or in exposed services. The strongest documented business risk is service disruption from crafted media; broader impact remains unspecified in the supplied evidence. Mitigation focus: Upgrade FFmpeg to a fixed version for the affected branch or later.; Confirm bundled or statically linked FFmpeg copies are also updated.; Restrict processing of untrusted CDXL media until patched..

Prepared: Jun 13, 2026, 04:43 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 28, 2017, 06:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1378CVE reference · x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1427CVE reference · x_refsource_MISC
https://github.com/FFmpeg/FFmpeg/commit/1e42736b95065c69a7481d0cf55247024f54b660CVE reference · x_refsource_MISC
https://github.com/FFmpeg/FFmpeg/commit/e1b60aad77c27ed5d4dfc11e5e6a05a38c70489dCVE reference · x_refsource_MISC

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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